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Softa [21]
3 years ago
8

Oxygen percentage in air equals​

Biology
1 answer:
marin [14]3 years ago
6 0

Answer:

Por volumen está compuesto, aproximadamente, por 78.08 % de nitrógeno (N2), 20.94 % de oxígeno (O2), 0.93 % de Argón (Ar), 0.035 % de dióxido de carbono (CO2) y 0.003 % de gases inertes, como el neón

Explanation:

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Some members of the Euglenids are photosynthetic, yet they will lose their photosynthetic pigment if left in the dark. True or F
irga5000 [103]

A) Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE

B )The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

<h3>What are Euglenas</h3>

Euglenas are unicellular organisms belonging to the kingdom Protista, when kept in the dark for too long Euglenoids begin to lose their chlorophyll. As it loses its chlorophyll it becomes unable to produce its own food and starts consuming bacterias within its habitat.

The loss of chlorophyll in Euglenids can be regained after it is been exposed to sunlight and allowed  to grow exponentially for several weeks.

Hence we can conclude that  Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE  while The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

Learn more about Euglenoids : brainly.com/question/1278307

8 0
3 years ago
WILL GIVE BRAINLIST.Use the drop-down menus to answer the questions.
Studentka2010 [4]

Answer:

Point A - Intrusive igneous rock

Point B - Extrusive igneous rock

Explanation:

Intrusive igneous rocks are rocks which is formed by molten magma that cools and solidifies below and within the surface of the earth, thereby forming large crystals beneath the earth surface. Examples of Instrusive igneous rocks gabbro, granite, peridotite etc.

Intrusive Ignoeus rock is formed at point A in the diagram given above.

Extrusive Ignoeus rock, on the other hand, is the opposite of Intrusive igneous rock. Extrusive igneous rock is formed when molten rocks, called magma, erupts from beneath the earth and cools and solidifies on the surface of the earth, thereby forming small crystallized rocks. Examples of extrusive igneous rocks are basalt, pumice, etc.

Extrusive Ignoeus rocks would formed at point B in the diagram above.

6 0
3 years ago
RNA plays important roles in many cellular processes, particularly those associated with protein synthesis: transcription, RNA p
Elena L [17]

Answer:

Explanation:transcription/RNA processing:

a) snRNA

c) mRNA

e) pre-mRNA

2. translation

b) tRNA

f) rRNA

3. not used in protein synthesis

d) RNA primers

4 0
4 years ago
The sympathetic chain ganglia are a series of clusters of neuron cell bodies linked by bridges of ________
BabaBlast [244]

Answer:

b. axons  

Explanation:

The Peripheral Nervous System consists of nerves and ganglia. Nerves are nothing more than bundles of parallelly arranged nerve fibers surrounded by connective tissue. Each of these fibers is formed by an axon and the sheaths surrounding it. The ganglia, in turn, are accumulations of neurons, which usually form spherical structures, are located outside the central nervous system and are also linked by axons bridges.

5 0
3 years ago
2. What inspires us to have patriotic feeling?
zavuch27 [327]

Answer:

Patriotism or national pride is the feeling of love, devotion, and sense of attachment to a homeland or the country and alliance with other citizens who share the same sentiment to create a feeling of oneness among the people. This attachment can be a combination of many different feelings, language relating to one's own homeland, including ethnic, cultural, political or historical aspects.

3 0
3 years ago
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